// 入力フォーマットチェック // #define _GLIBCXX_DEBUG #include using namespace std; using uint = unsigned int; using ll = long long; #define CIN( LL , A ) LL A; cin >> A #define GETLINE( A ) string A; getline( cin , A ) #define GETLINE_SEPARATE( A , SEPARATOR ) string A; getline( cin , A , SEPARATOR ) #define UNTIE ios_base::sync_with_stdio( false ); cin.tie( nullptr ) #define FOR( VAR , INITIAL , FINAL_PLUS_ONE ) for( ll VAR = INITIAL ; VAR < FINAL_PLUS_ONE ; VAR ++ ) #define FOREQ( VAR , INITIAL , FINAL ) for( ll VAR = INITIAL ; VAR <= FINAL ; VAR ++ ) #define FOR_ITR( ARRAY , ITR , END ) for( auto ITR = ARRAY .begin() , END = ARRAY .end() ; ITR != END ; ITR ++ ) #define REPEAT( HOW_MANY_TIMES ) FOR( VARIABLE_FOR_REPEAT , 0 , HOW_MANY_TIMES ) #define QUIT return 0 #define RETURN( ANSWER ) cout << ( ANSWER ) << "\n"; QUIT #define DOUBLE( PRECISION , ANSWER ) cout << fixed << setprecision( PRECISION ) << ( ANSWER ) << "\n"; QUIT #define MIN( A , B ) A < B ? A : B; #define MAX( A , B ) A < B ? B : A; template inline T Absolute( const T& a ){ return a > 0 ? a : - a; } #define CHECK_REDUNDANT_INPUT string VARIABLE_FOR_CHECK_REDUNDANT_INPUT = ""; getline( cin , VARIABLE_FOR_CHECK_REDUNDANT_INPUT ); assert( VARIABLE_FOR_CHECK_REDUNDANT_INPUT == "" ); assert( ! cin ); int main() { UNTIE; GETLINE( N ); GETLINE( A ); CHECK_REDUNDANT_INPUT; RETURN( "" ); }